When the Sun Is near the Horizon,the Intensity of Visible

question 43

Multiple Choice

When the sun is near the horizon,the intensity of visible radiation reaching the earth's surface appears to be less than when the sun is directly overhead.Actually,the intensity of the visible radiation reaching the earth's surface is always the same.

• A)true
• B)false
• C)only at the equator

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Definitions:

RNA Polymerase

A crucial enzyme responsible for synthesizing RNA from a DNA template, playing a key role in the process of transcription.

Eukaryotic

Eukaryotic refers to cells that have a nucleus enclosed within membranes, distinguishing them from prokaryotic cells, allowing for more complex biological processes.

Prokaryotic

Describing organisms, such as bacteria and archaea, that lack a nucleus and other membrane-bound organelles in their cells.

Repressor Protein

A protein that binds to specific DNA sequences, thereby inhibiting the transcription of genetic information from DNA to messenger RNA.